文件列表:

timerA_uart\fll.h (127, 2004-07-23)
timerA_uart\fll.s (2805, 2004-07-23)
timerA_uart\hardware.h (2331, 2004-07-23)
timerA_uart\main.c (3404, 2004-07-23)
timerA_uart\makefile (1293, 2004-07-23)
timerA_uart\miniterm.py (4215, 2004-07-23)
timerA_uart\swuart.h (150, 2004-07-23)
timerA_uart\swuart.s (3699, 2004-07-23)
timerA_uart (0, 2004-09-12)

what's this? ------------ it's a simple example project for the MSP430 series MCU and the GCC port of the mspgcc project. the project contains a makefile and uses assembler and C sources. this time it is a software UART with Timer_A. this example shows the following features: - Timer_A uart, full duplex o same pins as BSL (P1.1 TX, P2.2 RX) o it contains a reusable code - software FLL the watch crystal is used as reference and the main clock is adjusted to 1.536MHz on startup - use uprintf to print formated strings and do a printf emulation that prints to the serial port. - the main loop is a simple line editor. when a return character ('\r', usualy RETURN key) is received, it writes the received characters from the buffer to the serial port. connect a terminal at 9600,N,8,1 to try it out. - makefile o compile and link o include assembler files o convert to intel hex format o generate a listing with mixed C / assembly required hardware ----------------- - a MSP430F1121 or larger device (any from the F1x series) connect pins P1.1 (TX) and P2.2 (RX) through level converters to a terminal. you can also use a BSL hardware, the same pins are used. - watch crystal 32.768kHz - optionaly a LED on P2.5 (470 Ohms series resistor to GND) disclaimer ---------- this example is part of the mspgcc project http://mspgcc.sf.net see license.txt for details. chris

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